The PEB3322EV1.4 is a single-channel TDM/PCM line interface circuit (SLIC) manufactured by Infineon Technologies. It's designed to interface telephone subscriber lines to digital communication systems, providing the necessary functions for battery feed, ringing, supervision, and hybrid conversion. This device enables the connection of analog telephones to digital networks.

Applications

• Voice over IP (VoIP) gateways
• PBX (Private Branch Exchange) systems
• Central office switching equipment
• Wireless local loop (WLL) systems
• Customer premises equipment (CPE)
• Digital loop carrier (DLC) systems
• Analog telephone adapters (ATAs)

Features

• Single-channel SLIC
• Battery feed
• Ringing generation
• Loop supervision
• Hybrid conversion
• DTMF (Dual-Tone Multi-Frequency) generation and detection
• PCM/TDM interface
• Programmable parameters

Benefits

• Seamless Analog-to-Digital Conversion: Provides a robust and reliable interface between analog telephone lines and digital communication systems.
• Reduced System Cost: Integrates multiple functions into a single chip, reducing component count and board space.
• Improved Voice Quality: High-quality hybrid conversion ensures clear and natural voice transmission.
• Flexible Configuration: Programmable parameters allow for customization to meet specific application requirements.
• Easy Integration: Standard PCM/TDM interface simplifies integration with digital communication systems.
• Lower Power Consumption: Optimized for low power operation, reducing overall system power consumption.
• Compliance with Industry Standards: Designed to meet relevant telecommunication industry standards and regulations.

Additional Details

The PEB3322EV1.4 operates from a typical supply voltage. It supports various ringing frequencies and cadences. The loop supervision features include detecting on-hook, off-hook, and disconnect conditions. The device offers comprehensive protection against lightning surges and other transient events. It is available in a surface-mount package for easy assembly. The programmable parameters include battery feed voltage, ringing voltage, and loop current limits.